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Ebook Description :

Solving general quadratic equations by completing the square we can complete the square to solve a quadratic equation find where it is equal to zero but a general quadratic equation can have a coefficient of a in front of x 2 ax 2 bx c 0 . First off remember that finding the x intercepts means setting y equal to zero and solving for the x values so this question is really asking you to solve 4x 2 2x 5 0 now lets start the completing the square process to begin we have the original equation or if we had to solve first for 0 the equals zero form of the equation in this case we were asked for the . Completing the square is very powerful because you could actually always apply this and in the future what you will learn in the quadratic formula and the quadratic formula actually comes directly out of completing the square in fact when youre applying he quadratic formula youre essentially applying the result of completing the square. Solve quadratic equations using this calculator for completing the square shows answers and work for real and complex roots uses completing the square formula to solve a second order polynomial equation or a quadratic equation shows work by example of the entered equation to find the real or complex root solutions. Completing the square solving quadratic equations in this video i show an easier example of completing the square can you solve this quadratic equation by completing the square